CN1147032C - Edge connector for printed-circuit board - Google Patents
Edge connector for printed-circuit board Download PDFInfo
- Publication number
- CN1147032C CN1147032C CNB971154201A CN97115420A CN1147032C CN 1147032 C CN1147032 C CN 1147032C CN B971154201 A CNB971154201 A CN B971154201A CN 97115420 A CN97115420 A CN 97115420A CN 1147032 C CN1147032 C CN 1147032C
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
- H01R12/721—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures cooperating directly with the edge of the rigid printed circuits
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/52—Fixed connections for rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
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- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
A push-pull edge card electrical connector is adapted for receiving an edge of a printed circuit board having contact pads on opposite sides of the board adjacent the edge. The connector includes an elongated dielectric housing having a board-receiving face. An elongated slot is disposed in the board-receiving face generally along a longitudinal axis of the housing for receiving the edge of the printed circuit board. A plurality of pairs of transversely spaced terminal-receiving cavities are disposed on opposite sides of the slot defining two rows of cavities lengthwise of the housing. The pairs of transversely spaced cavities are separated by transverse walls extending generally perpendicular to the longitudinal axis of the housing. A plurality of terminals are received in the transversely spaced cavities. The terminals are in pairs for engaging the contact pads on opposite sides of the printed circuit board.
Description
Invention field
This invention relates generally to the technology of electrical cnnector, specifically, relate to the high-density edges connector of use in printed circuit board.
Background technology
The universal electrical cnnector that is widely used in electronics industry is called as " edge card " connector.Edge connector is admitted has matched edges and at the printed circuit board (PCB) that many contact chips are arranged near edge.Such edge connector has microscler shell, and the latter forms microscler socket or slot, is used for admitting the edge of printed circuit board (PCB) cooperation.A plurality of terminals along one side of slot or both sides arrange, separate each other, be used for the printed circuit board (PCB) matched edges near contact chip contact.In many application, such edge connector is contained in second and determines on the printed circuit board (PCB)." son " plate that has the printed circuit board (PCB) of matched edges to be called as, and the printed circuit board (PCB) of adorning connector is commonly referred to as " mother " plate.
One of problem of above-mentioned character edge connector concentrates on the requirement that the high density electronic circuit is improved day by day.The terminal of such connector is installed in the shell that insulating material such as plastics make.Terminal ever-smaller not only, and their density in the enclosure also becomes more and more big.Terminal is in a row installed along the slot of shell, and insulation next door or partition wall that terminal is used as a shell part each other separate, and shell comprises the sidewall that surrounds terminal.Provide the parameter of very highdensity connector to cause between the terminal or around terminal housing parts become as thin as a wafer.This point not only makes these housing parts potentially can not be for terminal provides sufficient support, and terminal withstands the printed circuit board (PCB) of insertion and the stress that causes can make shell distortion, crooked or other disfigurements.This connector is that the other problems of the shell used of the terminal of adaptive given shape and design feature thereof all launches around the undersized parameter that requires usually.
Summary of the invention
The objective of the invention is to improve such edge connector, specifically, improve the structural relation between insulation crust and the terminal, be included as the improvement that addresses the above problem and make.
Therefore, an object of the present invention is to provide a kind of edge connector of new and the use in printed circuit board of having improved.
Specifically, the present invention is directed to printed circuit board (PCB) and have the application that near matched edges and this panel edges one or both sides have a plurality of contact chips.
According to the present invention, near a kind of plug-type edge card electric coupler that the printed circuit board edge of contact chip is arranged the edge that is used for being received in is provided, comprising: microscler insulation crust, it comprises that a plate admits face; Microscler slot is positioned at plate admittance face, along the longitudinal axis stretching, extension of described shell, is used for admitting the described edge of printed circuit board (PCB); A plurality of terminal receiving compartments, arrange along described slot, cross wall with shell separates, described cross wall is perpendicular to the above-mentioned longitudinal axis, described terminal receiving compartment is divided into many first group and the second group of terminal receiving compartments to being spaced laterally apart on the opposite edges that is positioned at described slot, be used for optionally admitting first group and second group of terminal, described many terminal receiving compartment that is spaced laterally apart is separated by cross wall, described cross wall is extended perpendicular to the longitudinal axis of described shell, each terminal receiving compartment has the groove and the prestrain wall that are formed in the described cross wall, first group of described shell and second group of terminal receiving compartment also comprise the location notch that is formed on wherein, be used to admit described terminal position section, be arranged in described groove at location notch described in described first group of terminal receiving compartment, spaced apart at location notch described in second group of terminal receiving compartment and described groove; The terminal of first group of cantilever style, receive by described first group of terminal receiving compartment, terminal with second group of cantilever style, receive by described second group of terminal receiving compartment, described first group of terminal has an identical structure, described second group of terminal has identical structure, and the structure of second group of terminal is different with the structure of first group of terminal, and wherein each terminal in first group of terminal and the second group of terminal comprises: a flat base portion; One is used for fixing the afterbody of described terminal on circuit element; One has contact-segment so that the contact-segment elastomeric spring arm that contacts with described contact chip; And one be used for the fixing positioning section of usefulness in the enclosure of terminal; Described terminal is come out by the microscler tape punching press of electric conducting material, and be tied with the carriage tape, described carriage tape designs to such an extent that can cut off, cut off back formation carriage tape and cut surplus part, described carriage tape is cut surplus part and is crossed out from described first group of terminal and second group of terminal, described carriage tape is cut surplus part between described tail portion of terminal and contact jaw, the positioning section of described terminal is force-fitted between the described cross wall of described terminal receiving compartment, described terminal position section is received within the groove of described cross wall, it is characterized in that: described first group of terminal cut surplus part along the base portion of described first group of terminal location, described second group of terminal cut surplus part along and the base portion of described second group of terminal part spaced apart from each other location; Groove in the described cross wall, described groove is positioned and determines size, it is adaptive to make its and the described carriage tape that is received into the terminal in the cavity cut surplus part, described groove has enough sizes, and the elastic arm that allows described first and second groups of terminals is freely done the motion with respect to shell in the carriage tape is cut the zone of surplus part.
In described plug-type edge card electric coupler, the spring arm of the terminal of described second kind of shape comprises: vertically stretch from positioning section first section of level; Vertical from described first section vertical stretching and depart from second section of described positioning section plane; Acutangulate from the 3rd section of the length of described second section stretching, extension; From described the 3rd section curved the 4th contact-segment of one-tenth that stretches and be in the slot scope; From described the 4th contact-segment with the 5th section of stretching with respect to described the 3rd section obtuse angle; And comprise against the prestrain wall and the end more than described contact-segment of the prestrain floor of described shell.
In above-mentioned plug-type edge card electric coupler, the described end of the described second terminal springs arm is S-type.
In above-mentioned plug-type edge card electric coupler, described the 3rd section plane of stretching in the slot and passing through described positioning section of described second terminal.
In above-mentioned plug-type edge card electric coupler, the described end of described second terminal comprises the 6th shaped form changeover portion that is stretched over described prestrain wall from described the 5th section.
In the embodiment of example of the present invention, edge connector comprises having the microscler insulation crust that printed circuit board (PCB) is admitted face.Microscler slot is positioned at general printed circuit board (PCB) admittance face along the shell longitudinal axis, the matched edges that are used for admitting printed circuit board (PCB).Be provided with many terminal receiving compartments in the relative both sides of slot, form two evacuation chambers along the length direction of shell to laterally separating each other.Each that is spaced laterally apart split to the cross wall branch that cavity is extended perpendicular to the longitudinal axis substantially.A plurality of terminals are received within the terminal receiving compartment that is spaced laterally apart.Terminal in couples with the engagement of the contact chip of printed circuit board (PCB) both sides.Each is in one in the terminal corresponding of being arranged in each the terminal receiving compartment that is spaced laterally apart.In cross wall, be provided with dimple on some position, cut surplus part with the adaptive carriage tape that stretches out from the terminal that is received in the cavity.The carriage tape is cut surplus part between terminal relative contact jaw and tail end.In the carriage tape was cut the zone of surplus part, dimple had enough sizes to allow terminal can freely do motion with respect to shell.
From the detailed description below in conjunction with accompanying drawing, other purposes of the present invention, feature and advantage will be more obvious.
With reference to below in conjunction with the description of accompanying drawing, the present invention is had better understanding together with its purpose, advantage.In the accompanying drawings, identical label refers to similar elements among the figure.
Description of drawings
Fig. 1 is used for packing into the perspective view of the electrical cnnector of electric terminal made in accordance with the present invention, and the part figure at the edge of the printed circuit board (PCB) that can insert this connector is shown simultaneously;
Fig. 2 is that front view is blocked in the connector shell part;
Fig. 3 is that top view is blocked in Fig. 2 connector shell part;
Fig. 4 is that bottom view is blocked in Fig. 2 connector shell part;
Fig. 5 is the vertical cross section of total amplification of cutting along Fig. 1 line 5-5;
Fig. 6 is the view similar to Fig. 5, but has removed terminal;
Fig. 7 is the shell vertical cross section of similar Fig. 6, but shows adjacent pair of terminal receiving compartment;
Fig. 8 and 9 is respectively end view and a plane graph in two difform terminals;
Figure 10 and 11 is respectively that the side of the terminal of second kind of shape is wished figure and plane graph;
Figure 12 is the fragmentary, perspective view of the long tape of the electric terminal that still is being connected with middle carriage tape by the master carrier tape;
Figure 13 is before being configured as the configuration of Figure 12, just the plane graph of the long tape of terminal after punch steps;
Figure 14 is the plane graph after terminal tape shown in Figure 12 punching press and the shaping;
Figure 15 is the microscler tape end view of terminal among Figure 14;
Figure 16 A-16C is the simplified schematic diagram of the long tape of terminal in manufacturing and use subsequently thereof;
Figure 17 is the vertical cross section of the amplification similar to Fig. 5, expression connector shell another program
Embodiment;
Figure 18 is the bottom view that amplify the part of a connector shell part, represents a plurality of terminal receiving compartments and the chamber through revising as shown in figure 17;
Figure 19 is the vertical cross section of the amplification similar to Fig. 5, expression connector shell another program
Embodiment;
Figure 20 is the vertical cross section of total amplification of cutting along Fig. 4 line 20-20.
Embodiment
Now carefully with reference to the accompanying drawings, at first with reference to Fig. 1-4, wherein show the microscler electrical cnnector of edge card type, total usefulness 20 is represented.Described connector is the typical case of this class electrical cnnector, and it comprises Unitarily molded elongated envelope 22, and the latter forms face or terminal area 22a and the printed circuit board (PCB) admittance face 22b that printed circuit board (PCB) is installed.Printed circuit board (PCB) admittance face 22b comprises the slot 24 of microscler socket or plug-in unit, the matched edges 26 that are used for admitting printed circuit board (PCB) 28.A plurality of terminals (back also will be described) along the arranged on both sides of slot 24, separate each other, and are used for meshing the contact chip 30a and the 30b of contiguous matched edges 26, printed circuit board (PCB) 28 both sides.Can see that contact chip 30a and 30b line up two rows, the row of the parallelism contact chip 30a of contact chip 30b is more near edge 26.Each row among 30a and 30b two rows is parallel to matched edges 26 substantially.At last, positioning rib 32 is used for inserting the location notch 34 of printed circuit board edge 26 across slot 24, inserts in the slot with correct direction with respect to microscler connector to guarantee printed circuit board (PCB).
In many application, the edge card connectors as connector 20 all is installed on second printed circuit board.The printed circuit board (PCB) 28 that cooperates is commonly referred to as " son " plate, and connector mounted plate 29 (Fig. 5) is commonly referred to as " mother " plate.Connector 20 just belongs to this type, and comprises three plate pins 35, is used for inserting in the suitable installing hole of motherboard.A plurality of cushion blocks 36 stretch out predetermined distance downwards from the plate installed surface 22a of shell 22, make it when being placed on the motherboard with convenient shell to separate with motherboard.
Fig. 1 and Fig. 3 the most clearly represent, the elongated envelope 22 of connector 20 has two row's terminal receiving compartment or passages, and they are parallel to the shell longitudinal axis substantially and extend along the length direction of shell, and each side in the relative both sides of plug-in unit slot 24 has a row.Each row comprises the alternate series of variform first chamber and the second chamber 38a and 38b.In addition, a distance between the adjacent cavities is opened with respect to another misarrangement in the chamber of the described two kinds of shapes in the row.As a result, each first cavity 38a all with row both sides and variform second a cavity 38b is all arranged in another evacuation chamber across plug-in unit slot 24.
More particularly, with reference to Fig. 5-7, shell 22 comprises a series of first and second paired cavity 38a and 38b in conjunction with Fig. 1-4, Fig. 5, and each in 6 and 7 all shows a pair of cavity.Fig. 5 and 6 shows the first cavity 38a at slot 24 left-hand sides, and shows the second cavity 38b at the slot right-hand side.On the contrary, Fig. 7 shows the first cavity 38a at slot 24 right-hand sides, and shows the second cavity 38b at the slot left-hand side.These techniques of painting understand that for example length direction first and second cavity 38a and the 38b along connector shell alternately occurs in the relative both sides of slot among the figure.Among them each is arranged all adjacent cavitys and is all used cross wall 40 to separate on the shell length direction.
Still, strengthen the Lower Half that floor 42 is positioned at shell, each is separated cavity 38a and 38b with reference to Fig. 5-7.Strengthen not only partitioned cavity of floor 42, and across cavity, and Unitarily molded between cross wall 40, for the next door provides support, make the next door moldedly must approach as far as possible, thereby improve the high density performance of connector.Comparison diagram 6 and 7 just can see that all between adjacent cavities 38a and 38b strengthen floor and all are positioned at along shell 22 (Fig. 3) longitudinal centre line " C " locate, be right after below slot 24.At last, each piece strengthens floor 42, and 44 places all are wedge shape in the bottom, and as described below, this provides a kind of triangular facet, be used for and the terminal engagement, and play synergism when terminal inserts the first and second cavity 38a and 38b.Therefore, be appreciated that strengthening floor 42 plays a part multi-functional.
Each second cavity 38b is included in groove 46 bigger in each cross wall 40 and inner press-fit terminal location notch 48 and prestrain wall 50, cooperates with terminal in each inserts cavity all, is used for different purposes.Similarly, each cavity 38a is included in groove 52 bigger in each cross wall 40 and outside press-fit terminal location notch 54 and prestrain wall 56, also cooperates with terminal in each inserts cavity all.Can see that the prestrain wall 56 of cavity 38a is shorter than cavity 38b prestrain wall 50.
A plurality of positioning boss 57 are together integrally molded with shell, and 38b aligns with the terminal receiving compartment, with this cavity is stretched by positioning boss.In fact, as will be described below, positioning boss is shell " separation " part, and it is outstanding downwards from the cross wall 40 of terminal receiving compartment 38b opposite one side adjacent with being received into terminal position pars infrasegmentalis in the cavity.As seeing the most clearly from Fig. 5, cushion block 36 slave plate installed surface 22a stretch out to such an extent that stretch out far a little downwards than positioning boss 57 downwards.As a result, when connector 20 was installed on the printed circuit board (PCB) 29, positioning boss did not contact with printed circuit board (PCB).
As shown in Figure 4, groove 36 is positioned at and respectively arranges near terminal receiving compartment 38a and the 38b opposite end.In addition, a pair of groove 36 is positioned at the relative both sides of central plate pin 35c, align with positioning rib 32, and be positioned at it below.These grooves 36 get the same with 38b with terminal receiving compartment 38a at least far away from shell longitudinal axis extending transversely, preferably stretch more fartherly.In vertical direction, they stretch as cavity 38a and 38b, do not admit face 22b although they do not extend through the printed circuit board (PCB) of shell.These grooves 36 provide extra flexibility near shell two ends and inside and outside interference fit groove 48 of central plate pin 35c and 54 places to plastic casing, so that reduce the possibility of shell cracking.In addition, they also reduce the contraction of plastics.
In general, electrical cnnector 20 comprises the simple cantilever terminal of a series of each side along slot 24.These a series of terminals comprise first and second kinds of shapes, and total represents with 58a and 58b respectively, and they insert cavity 38a and 38b respectively along the direction of (Fig. 5) arrow " A ".
More particularly, with reference to Fig. 8 and Fig. 9, the first terminal 58a that can insert cavity 38a comprises the base portion 60 that is plate shaped substantially in conjunction with Fig. 5, and the latter has positioning section 62, all oriented overhanging barb 62a (Fig. 9) on its relative both sides of the edge.Afterbody 64 stretches out from an end 60a of base portion 60, and comprises tapered terminal 64a.Resilient spring arm or beam 66 stretch with 24 ° of angles from the second opposite end 60b of base portion.As seeing the most clearly from Fig. 5, spring arm comprises it generally being that first section straight 66a stretches upwards inflexed contact-segment 66b, and the latter stretches into slot 24.Although be difficult in the drawings see clearly, straight section 66a is tapered, and is feasible the wideest near base portion 60 places, and the narrowest near contact-segment 66b place.This has reduced arm 66 stress and has concentrated.Steeper introduction segment 66c is positioned at the top of contact-segment 66b, and vertical substantially upper arm section 66d is being arranged near arm 66 ends.Be arc transition portion 66e substantially and extend between introduction segment 66c and the upper arm section 66d, so as to make introduction segment relatively and vertical line the angle of a requirement is arranged, so that low insertion force to be provided, but make the upper arm section generally vertically head on prestrain wall 56.As seeing the most clearly in Fig. 5, introduction part 66c stretches into cavity 38c slightly from slot 24, meshes with introduction segment 66c during with edge 26 beginnings that guarantee printed circuit board (PCB) 28.At last, the end 66f of arm 66 is carried out pressure-sizing or chamfers, when terminal 58a inserts cavity 38a, damage in the assembling process preventing.
At last, Fig. 9 is illustrated near the pair of protrusions 68 of the both sides of the edge relative second end 60b of base portion 60, and this is the result of terminal from middle carriage tape bar 82 (back will be described) cut-out.In essence, these protrusions are the surplus parts of cutting of carriage tape.When each terminal 58a inserts them separately during cavity 38a, cut surplus part 68 and align with the groove 52 of expansion.Groove is enough big and enough dark, cuts surplus part with obstruction free, and terminal is inserted in the process of shell in cutting surplus part regional can move freely.
With reference to Figure 10-11, each second terminal 58b comprises the base portion 70 that is plate shaped substantially in conjunction with Fig. 5, and the latter has a positioning section 72 that barb is arranged at its place, relative both sides of the edge.Afterbody 74 stretches out from an end 70a of base portion 70, and comprises the terminal 74a of taper.Flexible spring arm or beam stretch out from the second opposed end 70b of base portion 70.Spring arm 76 comprises first section 76a of level substantially, and the latter stretches out therewith degree at an angle of 90 from base portion, and guides second section vertical 76b into, and arc changeover portion 76c is arranged between them.The 3rd section straight substantially 76d stretches out from vertical section 76b, therewith into about 38 ° of angles, ends at the contact-segment 76e of inside bow.Although be difficult to see clearly, such the 3rd section is tapered, concentrates with the stress that reduces in the beam.Steeper introduction segment 76f stretches out from contact-segment 76e, and is crossing with arc top changeover portion 76g here.Can be clear that in Fig. 5 introduction segment 76f puts in cavity 38b slightly from slot 24, plug-in unit 28 edges 26 and introduction segment 76f engagement during with the assurance beginning.The vertical substantially upper arm 76h that is used for meshing prestrain wall 50 extends upwardly from last changeover portion 76g, and ends to curve shaped form or arc terminal 76i.The possibility that terminal was damaged when the shaped form end inserted cavity 38b with terminal 58a in the assembling process reduces to minimum.
58a is somewhat similar with the first terminal, and each second terminal 58b comprises that also the intermediate bracket tape cuts surplus part 78, and the latter becomes between the groove 46 that cavity has separately enlarged.Groove 46 is enough big and dark, no matter being enough to allow horizontal segment 76a and vertical section 76b is when terminal inserts shell, still inserted wherein fully and in operating process, during when daughter board 28 insertion slots 24, can both freely do motion at (terminal) with respect to shell.
Comparison diagram 6 and 7 just can see that shell 22 has sidewall 22c and 22d, forms the outside of cavity 38a and 38b.Because cavity 38a and 38b alternately occur along the length of shell, so the thickness of sidewall 22c and 22d is also along the length alternate of shell.The thicker part of sidewall 22c and 22d indicates with 80a, and it and cavity 38a interrelate, and thin part indicates with 80b, and it and cavity 38b interrelate.When the positioning section of terminal 58a was press-fit to the groove 54 of cross wall, the part 80a of sidewall thickening provided extra support for the cross wall 40 of cavity 38a.In fact, can see in Fig. 6 and 7 that interference fit groove 54 is positioned at the place near sidewall thickening part 80a.Similarly, in Fig. 5, can see, the base portion of the first terminal 58a 60 near and support than thickness portion 80a by a side sidewall.This helps to prevent the motion of the terminal any part except spring arm 66.
Figure 17 and 18 another embodiment of expression, it is more wherein to stretch into the first cavity 38a of sidewall 22c internal ratio unmodified through the first cavity 38a ' that revises.This end in the cross wall 40 of adjacent sidewall 22c ' provides extra flexibility.The expansion 59 ' of cavity 38a ' is seen the most clearly at Figure 18, and wherein the second cavity 38b is drawn between the first cavity 38a through the first cavity 38a ' that revises and unmodified.The width of the expansion 59 ' between the cross wall 40 is less than the width of cavity 38a ' major part.In another scheme, as shown in figure 19, expansion 59 " can widen, make that width between the cross wall 40 is in whole cavity 38 " all be uniformly, comprise expansion 59 ".No matter under any situation, because expansion 59 " width still cut the distance of surplus part less than leap, terminal 58a still lives along base portion 60 is supported, to prevent that it is to extrinsic deflection.
As can be seen, the terminal 74a of the terminal 64a of the afterbody 64 of terminal 58a and the afterbody 74 of terminal 58b all is in substantially on the common plane parallel with motherboard 29 basically in Fig. 5.During use, all afterbodys all insert in the hole in the motherboard, and substantially with motherboard on the circuit line isoplanar.The terminal 58a of best two kinds of shapes and the electric pathway of 58b have identical length, and as mentioned above, make terminal still on two different height along the edge 26 and contact chip 30a and 30b engagement (Fig. 1) of printed circuit board (PCB) 28.As can be seen, the contact-segment 66b of terminal 58a meshes with contact chip 30a on the height different with the contact-segment 76e of terminal 58b.This just can increase terminal density under the situation that does not increase insertion force basically.Although the contact-segment 76e of terminal 58b is than the more close in vertical direction motherboard of the contact-segment 66b of terminal 58a, the electric pathway by terminal between contact-segment and the tail end equates basically.In addition, the given shape of the spring arm of terminal 58a and 58b provides close basically normal force to contact chip 30a and 30b, because the spring rate of spring arm is close substantially, and the equal quantity of deflection.
In installation process, terminal 58a and 58b from the bottom of shell or terminal area 22a insert their cavity 38a and 38b separately.When terminal entered separately cavity, their contact-segment 66b separately contacted the wedge shape bottom 44 that center that two cavitys are separated strengthens floor 42 when beginning with 76e.Contact- segment 66b and 76e slide along center floor 42, reach slot 24 until them.Similar to the edge card 28 substantially annex (not shown) of profile is placed in the slot 24, so that make contact arm 66 and the 76 further deflections of two terminal 58a and 58b.By with the engagement of this annex, two vertical substantially upper arm 66d and 76h of terminal locate rightly, make they slide into they separately prestrain wall 56 and 50 back.
When terminal inserted in their cavity separately, their surplus parts 68 and 78 of cutting separately entered groove 52 and 46.Because the distance between the groove 52 and 46 in the thick right both sides cross wall 40 of cavity 38a is greater than the width of cutting surplus part 68, can not bond or mesh described groove so cut surplus part 68 when inserting.Equally, the distance between groove 46 place's cross wall 40 is cut the distance of surplus part 78 greater than leap, makes when the second terminal 58b inserts, and cuts surplus part 78 and also can not bond or mesh described groove walls.When the first terminal 58a inserts its rearmost position, positioning section 62 comprise barb 62a just interference fit enter outside fix groove 54 (Fig. 6).When inserting like this, barb 62a pierces in groove 54 sidewalls, with terminal position in the enclosure.Similarly, when the second terminal 58b inserts, positioning section 72 comprise barb 72a just interference fit enter in location notch 48.When inserting like this, barb 72a also pierces in groove 48 sidewalls, with terminal 58b location in the enclosure.
Figure 12 shows manufacturing back and conduct through the terminal 58a of the black box of the microscler tape electric terminal of punching press and shaping and the difformity of 58b, and total is denoted as 81.The first and second terminal 58a and 58b alternately form along the length direction of microscler tape 81 respectively.Terminal series alternately connects with the middle part carriage tape 82 and the second carriage tape 84.
Still with reference to Figure 12, middle part carriage tape 82 connects first and second terminal 58a and the 58b at the base portion 60 of the first terminal 58a and the vertical section 76b of the second terminal 58b spring arm 76 respectively.As describing in detail more the back, this middle part carriage tape 82 makes the shaping of the bottom of the second terminal 58b become easy.
The second carriage tape 84 be used for by suitable processing equipment, with common method with described terminal tape transfer station.For this purpose, according to prior art, carriage tape 84 comprises a plurality of location holes 86.Be noted that 84 connections of carriage tape every a tail portion of terminal that alternately occurs, that is the afterbody 64 of each the first terminal 58a.
Before Figure 13 is illustrated in the terminal shaping, the punch steps in the method for manufacturing electric terminal 58a and the microscler tape 81 of 58b (Figure 12).Specifically, Figure 13 represents flat blank " B ", and it comes out with the sheet metal material punching press.Can see terminal 58a and the 58b flat profile before being shaped in Figure 13, terminal alternately occurs along microscler tape, and is linked together by the intermediate bracket tape 82 and the second carriage tape 84.This view is clearly represented, the terminal 64a of the afterbody 64 of the terminal 58a of first kind of shape of 84 connections of the second carriage tape.This makes the following part of terminal 58b intermediate bracket tape can freely do motion with respect to the second carriage tape 84 in the process that is shaped.
Figure 14 represents the situation of the microscler tape 81 of Figure 13 after being shaped fully.Figure 14 and 15 is equivalent to the perspective view of Figure 12 basically.Specifically, blank " B " (Figure 13) is shaped through suitable forming process, to determine the configuration of terminal 58a spring contact portion 66 and terminal 58b spring contact portion 76.Figure 15 represents clearly how the shaping of terminal 58b makes the terminal 74a of afterbody 74 be on the same plane of terminal 64a with the afterbody 64 of terminal 58a effectively.In fact, the vertical range of the afterbody 74 of the terminal 58b that stretches out from middle carriage tape bar shortens, because the intermediate bracket tape is shaped with respect to the second carriage tape 84 with the each several part of lower terminal 58b.Figure 12 and 15 clearly represents, how effectively this forming step beyond the positioning section 72 and positioning section 62 and afterbody 64 planes that afterbody 74 moves on to terminal 58a of terminal 58b.
Terminal inserts before their 38a and 38b separately, and intermediate bracket tape 82 is cut off.This cut-out step has caused cuts surplus part 68 and 78.Not to carry out the higher deburring operation of cost, cut surplus part 68 and 78 with removal, but decide the groove 46 of shell 22 and 52 size to such an extent that make groove 46 and 52 can freely admit the outstanding surplus part of cutting, make with this and to cut surplus part and neither hinder terminal to insert their cavitys separately, do not hinder terminal 58b again in case the motion of spring contact portion 76 after inserting fully.In case of necessity, as Figure 14 90 shown in, insert them separately before or after the cavity at terminal, cut off carriage tape 84, so that remove the carriage tape from terminal 58a.
As mentioned above, positioning boss 57 is integrally molded with shell 22, admits passage 38b to align with terminal, and positioning boss is actually near " division " part of terminal receiving compartment 38b opposite, the positioning section 72 bottoms one side shell 22 of terminal 58b.In other words, for the vertical amount that the above shell of printed circuit board (PCB) installed surface 22a is used to fixed terminal 58b reduce to minimum (with the contact beam of terminal 58b can with vertical height be added to maximum), positioning boss 57 reaches downwards below the printed circuit board (PCB) installed surface 22a, so that provide extra material that terminal is fixed in the enclosure.At least the part of terminal 58b can be positioned at by " division " passage of positioning boss 57.Basically, this printed circuit board (PCB) that makes the positioning section of terminal 58b can be projected into shell is downwards installed below the 22a of bottom surface, and also has enough casing plastic materials to surround, and works for terminal is remained between positioning section and the shell.As a result, the long part of terminal 58b can be used as Elastic Contact part 76.In January 3 nineteen ninety-five issue and transfer in the assignee's of the present invention U.S. Patent No. 5,378,175 and disclose this notion fully.Certainly, although should be understood that the shape of terminal 58a and 58b is different, the electrical path length from the contact portion to the tail portion of terminal is the same.
At last, Figure 16 A-16B represents how the microscler tape 81 (being shown in Figure 12,14 and 15) of terminal 58a and 58b comprises the manufacturing project for next step operation and/or use.Specifically, Figure 16 A represents to leave the tape 81 of mould 92 after the punching press final step, and this tape is configured as the configuration of Figure 12.This tape is wrapped on the axle 94 by the direction of arrow " B ", for next step processing.Figure 16 B represents by the direction of arrow " D " tape 81 to be laid out to electroplating workshop section from axle 98, some part of terminal here, and for example the contact-segment plating is with the high material of conductances such as gold.Tape after the plating according to the direction of arrow " C " on second axle 94.This electroplating work procedure generally carries out in the punching press of representing with Figure 16 A punch press place different with forming process.In fact, electroplating work procedure may carry out in the building that is different from punching press and forming process.Then, twined axle 98 other places of transporting to shown in Figure 16 C of the tape of having electroplated 81, here tape lays out from axle 98 by the direction of arrow " E ", for further using.For example, tape lays out in its last place, is used for as mentioned above terminal 58a and 58b are inserted the connector shell 22 of connector 20.
Will be appreciated that the present invention can realize with other specific forms under the situation of not leaving its spirit and principal character.Therefore, it is exemplary rather than restrictive that this example and embodiment should regard as fully, and the invention is not restricted to details given here.
Claims (5)
1. one kind is used for being received near the plug-type edge card electric coupler that the printed circuit board edge of contact chip is arranged the edge, comprising:
Microscler insulation crust, it comprises a plate admittance face,
Microscler slot is positioned at plate admittance face, along the longitudinal axis stretching, extension of described shell, is used for admitting the described edge of printed circuit board (PCB),
A plurality of terminal receiving compartments, arrange along described slot, cross wall with shell separates, described cross wall is perpendicular to the above-mentioned longitudinal axis, described terminal receiving compartment is divided into many first group and the second group of terminal receiving compartments to being spaced laterally apart on the opposite edges that is positioned at described slot, be used for optionally admitting first group and second group of terminal, described many terminal receiving compartment that is spaced laterally apart is separated by cross wall, described cross wall is extended perpendicular to the longitudinal axis of described shell, each terminal receiving compartment has the groove and the prestrain wall that are formed in the described cross wall, first group of described shell and second group of terminal receiving compartment also comprise the location notch that is formed on wherein, be used to admit described terminal position section, be arranged in described groove at location notch described in described first group of terminal receiving compartment, spaced apart at location notch described in second group of terminal receiving compartment and described groove;
The terminal of first group of cantilever style, receive by described first group of terminal receiving compartment, terminal with second group of cantilever style, receive by described second group of terminal receiving compartment, described first group of terminal has an identical structure, described second group of terminal has identical structure, and the structure of second group of terminal is different with the structure of first group of terminal, and wherein each terminal in first group of terminal and the second group of terminal comprises:a flat base portion; One is used for fixing the afterbody of described terminal on circuit element; One has contact-segment so that the contact-segment elastomeric spring arm that contacts with described contact chip; And one be used for the fixing positioning section of usefulness in the enclosure of terminal; Described terminal is come out by the microscler tape punching press of conductive material; And be tied with the carriage tape; Described carriage tape designs to such an extent that can cut off; Form the carriage tape after cutting off and cut surplus part; Described carriage tape is cut surplus part and is crossed out from described first group of terminal and second group of terminal; Described carriage tape is cut surplus part between the afterbody and contact-segment of described terminal; The positioning section of described terminal is force-fitted between the described cross wall of described terminal receiving compartment; Described terminal position section is received within the groove of described cross wall
It is characterized in that:
Described first group of terminal cut surplus part along the base portion of described first group of terminal location, described second group of terminal cut surplus part along and the base portion of described second group of terminal part spaced apart from each other location; Groove in the described cross wall, described groove is positioned and determines size, it is adaptive to make its and the described carriage tape that is received into the terminal in the cavity cut surplus part, described groove has enough sizes, and the elastic arm that allows described first and second groups of terminals is freely done the motion with respect to shell in the carriage tape is cut the zone of surplus part.
2. the plug-type edge card electric coupler of claim 1, it is characterized in that: the spring arm of the terminal of described second kind of shape comprises: vertically stretch from positioning section first section of level; Vertical from described first section vertical stretching and depart from second section of described positioning section plane; Acutangulate from the 3rd section of the length of described second section stretching, extension; From described the 3rd section curved the 4th contact-segment of one-tenth that stretches and be in the slot scope; From described the 4th contact-segment with the 5th section of stretching with respect to described the 3rd section obtuse angle; And comprise against the prestrain wall and the end more than described contact-segment of the prestrain floor of described shell.
3. the plug-type edge card electric coupler of claim 2, it is characterized in that: the described end of the described second terminal springs arm is S-type.
4. the plug-type edge card electric coupler of claim 2 is characterized in that: described the 3rd section plane of stretching in the slot and passing through described positioning section of described second terminal.
5. the plug-type edge card electric coupler of claim 2, it is characterized in that: the described end of described second terminal comprises the 6th shaped form changeover portion that is stretched over described prestrain wall from described the 5th section.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US683,550 | 1996-07-16 | ||
| US683550 | 1996-07-16 | ||
| US08/683,550 US5810623A (en) | 1996-07-16 | 1996-07-16 | Edge connector for a printed circuit board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1175101A CN1175101A (en) | 1998-03-04 |
| CN1147032C true CN1147032C (en) | 2004-04-21 |
Family
ID=24744512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB971154201A Expired - Fee Related CN1147032C (en) | 1996-07-16 | 1997-07-16 | Edge connector for printed-circuit board |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5810623A (en) |
| EP (1) | EP0820124A3 (en) |
| JP (1) | JP2824764B2 (en) |
| KR (1) | KR100248214B1 (en) |
| CN (1) | CN1147032C (en) |
| MY (1) | MY117309A (en) |
| SG (1) | SG54535A1 (en) |
| TW (1) | TW387630U (en) |
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| US5986880A (en) * | 1997-06-16 | 1999-11-16 | Compaq Computer Corporation | Electronic apparatus having I/O board with cable-free redundant adapter cards thereon |
| USD410894S (en) * | 1998-04-24 | 1999-06-15 | Elcon Products International Company | Electrical connector housing |
| USD408361S (en) * | 1998-04-24 | 1999-04-20 | Elcon Products International Company | Electrical connector housing |
| JP3172721B2 (en) | 1999-07-05 | 2001-06-04 | 日本モレックス株式会社 | Computer system and connector used for it |
| US6257926B1 (en) * | 2000-06-21 | 2001-07-10 | Hon Hai Precision Ind. Co., Ltd. | Guiding post with press-fit arrangement |
| JP2002203624A (en) * | 2000-12-14 | 2002-07-19 | Molex Inc | Card-edge connector |
| US6764357B2 (en) * | 2002-09-12 | 2004-07-20 | Hon Hai Precision Ind. Co., Ltd. | Electrical connector and method of assembling the same |
| US6790054B1 (en) | 2003-03-18 | 2004-09-14 | Sullins Electronic Corporation | Two-piece right angle contact edge card connector |
| US7044812B2 (en) * | 2003-11-20 | 2006-05-16 | Tyco Electronics Corporation | Surface mount header assembly having a planar alignment surface |
| TWI303906B (en) | 2006-01-27 | 2008-12-01 | Fci Asia Technology Pte Ltd | Connector |
| US7267583B1 (en) * | 2006-09-19 | 2007-09-11 | Delphi Technologies, Inc. | Electrical connection system |
| SG157978A1 (en) * | 2008-06-24 | 2010-01-29 | Molex Inc | Edge card connector |
| JP5742741B2 (en) * | 2012-02-06 | 2015-07-01 | 株式会社オートネットワーク技術研究所 | Terminal |
| KR20140011438A (en) * | 2012-07-12 | 2014-01-28 | 삼성전자주식회사 | Socket for testing the semiconductor device and test equipment including the same |
| CN105990763B (en) * | 2015-02-15 | 2019-10-29 | 泰科电子(上海)有限公司 | Electric connector |
| TWI657362B (en) | 2015-03-23 | 2019-04-21 | 群創光電股份有限公司 | Touch device |
| CN108701922B (en) | 2015-07-07 | 2020-02-14 | Afci亚洲私人有限公司 | Electrical connector |
| US9570824B1 (en) * | 2015-09-23 | 2017-02-14 | Dell Products, L.P. | Reinforced right-angle type board edge connector |
| US9537233B1 (en) * | 2015-11-13 | 2017-01-03 | Facebook, Inc. | Storage device connector |
| CN111512499B (en) | 2017-10-30 | 2022-03-08 | 安费诺富加宜（亚洲）私人有限公司 | Low crosstalk card edge connector |
| CN113169484A (en) | 2018-10-09 | 2021-07-23 | 安费诺商用电子产品(成都)有限公司 | High density edge connector |
| CN210111092U (en) * | 2019-03-22 | 2020-02-21 | 番禺得意精密电子工业有限公司 | Electrical connector |
| CN209860271U (en) * | 2019-03-22 | 2019-12-27 | 番禺得意精密电子工业有限公司 | Electrical connector |
| TWM582251U (en) | 2019-04-22 | 2019-08-11 | 香港商安費諾（東亞）有限公司 | Connector set with hidden locking mechanism and socket connector thereof |
| TW202127754A (en) | 2019-11-06 | 2021-07-16 | 香港商安費諾（東亞）有限公司 | High-frequency electrical connector with interlocking segments |
| US11588277B2 (en) | 2019-11-06 | 2023-02-21 | Amphenol East Asia Ltd. | High-frequency electrical connector with lossy member |
| CN111029828B (en) * | 2019-12-25 | 2021-04-23 | 番禺得意精密电子工业有限公司 | Electrical connector |
| TWM625349U (en) | 2020-03-13 | 2022-04-11 | 大陸商安費諾商用電子產品（成都）有限公司 | Reinforcing member, electrical connector, circuit board assembly and insulating body |
| US11973286B2 (en) | 2020-06-01 | 2024-04-30 | Amphenol Commercial Products (Chengdu) Co., Ltd. | Electrical connector and manufacturing method thereof |
| US11710923B2 (en) | 2020-07-31 | 2023-07-25 | Amphenol Commercial Products (Chengdu) Co., Ltd. | Compact, reliable card edge connector |
| US11652307B2 (en) | 2020-08-20 | 2023-05-16 | Amphenol East Asia Electronic Technology (Shenzhen) Co., Ltd. | High speed connector |
| CN212874843U (en) * | 2020-08-31 | 2021-04-02 | 安费诺商用电子产品(成都)有限公司 | Electrical connector |
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|---|---|---|---|---|
| EP0133189B1 (en) * | 1983-08-05 | 1988-12-14 | Elfab Corporation | Modular connector |
| EP0282622B1 (en) * | 1987-03-20 | 1989-10-04 | Winchester Electronics Zweigwerk Der Litton Precision Products International Gmbh | Pluggable connector for contacting directly a printed circuit board |
| US5051099A (en) * | 1990-01-10 | 1991-09-24 | Amp Incorporated | High speed card edge connector |
| DE69230913T2 (en) * | 1991-07-16 | 2000-12-07 | Berg Electronics Mfg | Low-profile, surface-mounted connector with curved self-supporting contact springs. |
| US5425658A (en) * | 1993-10-29 | 1995-06-20 | Bundy Corporation | Card edge connector with reduced contact pitch |
| US5378175A (en) * | 1993-12-22 | 1995-01-03 | Molex Incorporated | Electrical connector for mounting on a printed circuit board |
| US5411408A (en) * | 1994-08-19 | 1995-05-02 | Molex Incorporated | Electrical connector for printed circuit boards |
-
1996
- 1996-07-16 US US08/683,550 patent/US5810623A/en not_active Expired - Fee Related
-
1997
- 1997-06-25 TW TW087212078U patent/TW387630U/en not_active IP Right Cessation
- 1997-06-26 SG SG1997002609A patent/SG54535A1/en unknown
- 1997-07-08 EP EP97111518A patent/EP0820124A3/en not_active Withdrawn
- 1997-07-10 JP JP9200811A patent/JP2824764B2/en not_active Expired - Lifetime
- 1997-07-15 MY MYPI97003190A patent/MY117309A/en unknown
- 1997-07-15 KR KR1019970032733A patent/KR100248214B1/en not_active IP Right Cessation
- 1997-07-16 CN CNB971154201A patent/CN1147032C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR980012728A (en) | 1998-04-30 |
| KR100248214B1 (en) | 2000-03-15 |
| JPH10116665A (en) | 1998-05-06 |
| SG54535A1 (en) | 1998-11-16 |
| CN1175101A (en) | 1998-03-04 |
| EP0820124A3 (en) | 1999-01-07 |
| US5810623A (en) | 1998-09-22 |
| JP2824764B2 (en) | 1998-11-18 |
| MY117309A (en) | 2004-06-30 |
| EP0820124A2 (en) | 1998-01-21 |
| TW387630U (en) | 2000-04-11 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20040421 Termination date: 20090817 |